I am working on the A/C system of a 2006 Sterling L9500. Compressor froze and it was replaced with new one. A/C has been tested and holds vacuum. When loading R-134a, the new compressor will not kick on. I am looking to trouble shoot this. Does anyone know location of the A/C compressor fuse relay? I cannot find information on this anywhere. Not sure if this helps but the engine is a 2005 Mercedes OM 460 LA CID 781. Truck is a 2006 Sterling L9500 (6 cylinder 12.8 Turbo Diesel 781 CID). Any advice is greatly appreciated. Many thanks everyone. Terry
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